Scientists have found a planet that breaks all the rules they know about how planets should work. This new planet, WASP-193b, is bigger than Jupiter but as light as cotton candy. The planet is like a giant, puffy ball in space – it takes up lots of space but has very little mass compared to other planets its size. Scientists found it’s 50% bigger than Jupiter but only has about 14% of Jupiter’s mass. “Finding giant planets with such incredibly low density is extremely rare,” says Khalid Barkaoui, who leads the research team at MIT. He explains that WASP-193b belongs … Continue reading WASP-193b: A Giant Planet as Light as Cotton Candy